CN203098708U - Limiting elastic body - Google Patents
Limiting elastic body Download PDFInfo
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- CN203098708U CN203098708U CN 201320069615 CN201320069615U CN203098708U CN 203098708 U CN203098708 U CN 203098708U CN 201320069615 CN201320069615 CN 201320069615 CN 201320069615 U CN201320069615 U CN 201320069615U CN 203098708 U CN203098708 U CN 203098708U
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- Prior art keywords
- hole
- ring
- spacing
- circle body
- elastomer
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Abstract
The utility model provides a limiting elastic body used for solving the problems that an existing limiting elastic body is low in manufacturing precision, high in manufacturing cost, large in material consumption, low in processing efficiency and high in rejection rate. The limiting elastic body is a circle body with a cutting opening. The circle body comprises a first ring and a second ring, wherein the second ring is connected with the first ring in a parallel mode through a cylindrical tube-shaped connecting part, and a central hole of the first ring and a central hole of the second ring are oppositely arranged. Compared with a manufacturing method, with eight procedures, of the existing limiting elastic body, the limiting elastic body has the advantages of being high in manufacturing precision, low in manufacturing cost, less in material consumption, high in processing efficiency and low in rejection rate.
Description
Technical field
The utility model relates to the brake cylinder technical field, particularly a kind of spacing elastomer that is used for brake cylinder.
Background technique
Brake cylinder is the vitals in the brake system of car, tape travel is spacing to be a kind of common structure in the brake cylinder, be the structural drawing of the spacing brake cylinder of tape travel shown in Figure 1A, comprise housing 01, bleed screw 02, protective housing 03, piston 04, apron 05, spacing elastomer 06, stop screw 07.Figure 1B, 1C are with the perspective view of the prepared spacing elastomer 06 of present manufacture method, cross-sectional view, and this spacing elastomer production method comprises the steps: with seamless or welded steel pipe size, chamfering, and the boring endoporus cuts off; Interior Hole chamfering; Groove milling; Deburring; Heat treatment.As seen, it is low that this spacing elastomer has accuracy of manufacturing, the manufacture cost height, and consumptive material is bigger, and work efficiency is low, also has the problem of certain scrappage.
The model utility content
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of spacing elastomer, has in order to solve existing spacing elastomer that accuracy of manufacturing is low, manufacture cost is high, consumptive material is big, low, the scrappage problem of higher of work efficiency.
The utility model embodiment provides a kind of spacing elastomer, and described spacing elastomer is the circle body with a kerf, and described circle body comprises:
First ring;
By a cylindrical tubular joint and parallel connected second ring of described first ring, the center hole of the center hole of described second ring and described first ring is oppositely arranged.
Wherein, preferably, the center hole of described second ring is a circular apertures, an ellipse hole, a rectangular hole, a waist-shaped hole or a composite holes; Wherein, described waist-shaped hole is meant that two opposite side are parallel straight edge, in addition two opposite side are the hole structure on the circular arc limit of arching upward, described composite holes is the hole structure that is combined by two kinds or two or more difform hole, wherein, preferably, be that a circular hole adds that a rectangular hole combines or be that a blossom type hole adds a rectangular hole and combines.
Wherein, preferably, described otch communicates with described circular apertures, rectangular hole, ellipse hole, waist-shaped hole or composite holes.
Wherein, preferably, the position that forms described otch is to spacing elastomeric center curvature.
Wherein, preferably, the length of otch accounts for 3% to 25% of described circle body girth.
Wherein, preferably, described circle body is a steel sheet system circle body.
Wherein, preferably, described steel sheet system circle body is specially spring steel thin plate system circle body.
Wherein, preferably, the sheet metal thickness of described spring steel thin plate system circle body is 0.4mm to 2.5mm.
Compare with existing spacing elastomer, the above-mentioned spacing elastomer that the utility model embodiment provides has accuracy of manufacturing height, low cost of manufacture, consumptive material is less, work efficiency is high, scrappage is lower advantage.
Description of drawings
Figure 1A is the structural representation of existing brake cylinder;
Figure 1B, Fig. 1 C are spacing elastomeric perspective view, schematic cross-section in the existing brake cylinder;
Fig. 2 A, 2B, 2C are respectively a kind of spacing elastomeric perspective view, front elevation, rear view among the utility model embodiment;
Fig. 2 D, 2E, 2F are respectively another kind of spacing elastomeric perspective view, front elevation, rear view among the utility model embodiment;
Fig. 2 G is a spacing elastomeric notch portion enlarged view among the utility model embodiment, and label 100 expression circles are got regional area;
Fig. 2 H, 2I are respectively the third spacing elastomeric perspective view, rear view among the utility model embodiment;
Fig. 2 J, 2K, 2L are for being respectively among the utility model embodiment the 4th kind of spacing elastomeric perspective view, rear view, front elevation;
Fig. 3 is the flow chart of spacing elastomeric making method among the utility model embodiment;
Fig. 4 A-4E is the structural representation of the workpiece of per pass operation correspondence in the making method shown in Figure 3.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Fig. 2 A, 2B, 2C, the utility model embodiment provides a kind of spacing elastomer, and spacing elastomer is the circle body with a kerf, and circle body comprises:
Encircle 62 center hole is oppositely arranged by a cylindrical tubular joint and first ring, 62 parallel connected second ring, 61, the second rings, 61 center holes and first.
Wherein, preferably, the center hole of second ring 61 is a circular apertures, an ellipse hole, a rectangular hole, a waist-shaped hole or a composite holes; Wherein, waist-shaped hole is meant that two opposite side are parallel straight edge, in addition two opposite side are the hole structure (as Fig. 2 D-2F) on the circular arc limit of arching upward, composite holes is the hole structure that is combined by two kinds or two or more difform hole, wherein, preferably, composite holes is that a circular hole (center of circle of this circular hole and second ring, 61 the center of circle overlap) adds that a rectangular hole combines (as Fig. 2 H-2I) or is that a blossom type hole adds a rectangular hole and combines (as Fig. 2 J-2L); The otch of described circle body communicates with circular apertures, waist-shaped hole or rectangular hole.
Wherein, preferably, the position that forms above-mentioned otch is to spacing elastomeric center curvature (shown in Fig. 2 G).
Wherein, preferably, the length of above-mentioned otch accounts for 3% to 25% of above-mentioned circle body girth.The effect of this otch is to regulate the function that the external diameter of spacing elastic ring shrinks, and makes that spacing elastic ring can be better and cylinder hole interference fit.The position that forms above-mentioned otch can avoid spacing elastomer in the process that moves to spacing elastomeric center curvature, and the position that the cylinder hole is formed otch scratches.
Wherein, preferably, above-mentioned circle body is a steel sheet system circle body.
Wherein, preferably, steel sheet system circle body is specially spring steel thin plate system circle body; Preferably, the sheet metal thickness of spring steel thin plate system circle body is 0.4mm to 2.5mm, specifically can set according to actual needs.
Compare with existing spacing elastomer, the above-mentioned spacing elastomer that the utility model embodiment provides has accuracy of manufacturing height, low cost of manufacture, consumptive material is less, work efficiency is high, scrappage is lower advantage.
In addition, as shown in Figure 3, the above-mentioned spacing elastomeric making method that the utility model embodiment provides may further comprise the steps:
S31, plate-like substrate is handled, formed a cylindrical tubular body and be arranged at second ring (shown in Fig. 4 C) on the opening end of cylindrical tubular body.
Wherein, preferably, the center hole of second ring 61 is a circular apertures, an ellipse hole, a rectangular hole, a waist-shaped hole or a composite holes; Wherein, waist-shaped hole is meant that two opposite side are parallel straight edge, in addition two opposite side are the hole structure (as Fig. 2 D-2F) on the circular arc limit of arching upward, composite holes is the hole structure that is combined by two kinds or two or more difform hole, wherein, preferably, composite holes is that a circular hole (center of circle of this circular hole and second ring, 61 the center of circle overlap) adds that a rectangular hole combines (as Fig. 2 H-2I) or is that a blossom type hole adds a rectangular hole and combines (as Fig. 2 J-2L).
Wherein, step S31 can be embodied as any one in following three kinds of modes:
Mode one:
Steps A 3, the caping of cylindrical lid is carried out punching handle, make caping have a circular apertures, an ellipse hole, a rectangular hole, a waist-shaped hole or a composite holes (as Fig. 4 C).
Mode two:
Step B1, plate-like substrate is carried out blanking and stretch processing, form a cylindrical lid (as Fig. 4 B);
Step B2, the caping of cylindrical lid is carried out punching handle, make caping have a circular apertures, an ellipse hole, a rectangular hole, a waist-shaped hole or a composite holes (as Fig. 4 C).
Mode three:
Plate-like substrate is carried out blanking, stretching and punching to be handled, form a cylindrical tubular body and be arranged at second ring on the opening end of cylindrical tubular body, the center hole of second ring is a circular apertures, an ellipse hole, a rectangular hole, a waist-shaped hole or a composite holes.
S32, another opening end of cylindrical tubular body is inwardly carried out flange handle, form first ring (as Fig. 4 D) on another opening end that is arranged at the cylindrical tubular body.
S33, along the cylindrical tubular body that is provided with first ring and second ring axially cut out a kerf, form spacing elastomer (as Fig. 4 E).
When doing otch, the position that forms otch can be made into appearance (shown in Fig. 2 G) to spacing elastomeric center curvature, can avoid spacing elastomer like this in the process that moves, the position that the cylinder hole is formed otch scratches.
After the step S33, above-mentioned making method can also comprise the steps:
Spacing elastomer is heat-treated, have higher elasticity and toughness preferably after the heat treatment.
Perhaps, after the step S33, above-mentioned making method can also comprise the steps:
Spacing elastomer is heat-treated, and after heat treatment, carry out antirust and/decorate to handle.
Having eight procedures with existing spacing elastomer production method compares, the above-mentioned spacing elastomer that the utility model embodiment provides has only five processes at most, thereby makes this spacing elastomer have accuracy of manufacturing height, low cost of manufacture, consumptive material is less, work efficiency is high, scrappage is lower advantage.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. a spacing elastomer is characterized in that, described spacing elastomer is the circle body with a kerf, and described circle body comprises:
First ring;
By a cylindrical tubular joint and parallel connected second ring of described first ring, the center hole of the center hole of described second ring and described first ring is oppositely arranged.
2. spacing elastomer as claimed in claim 1 is characterized in that,
The center hole of described second ring is a circular apertures, an ellipse hole, a rectangular hole, a waist-shaped hole or a composite holes; Wherein, described waist-shaped hole is meant that two opposite side are parallel straight edge, in addition two opposite side are the hole structure on the circular arc limit of arching upward, and described composite holes is that a circular hole adds that a rectangular hole combines or is that a blossom type hole adds a rectangular hole and combines.
3. spacing elastomer as claimed in claim 2 is characterized in that,
Described otch communicates with described circular apertures, rectangular hole, ellipse hole, waist-shaped hole or composite holes.
4. as arbitrary described spacing elastomer among the claim 1-3, it is characterized in that,
The position that forms described otch is to spacing elastomeric center curvature.
5. as arbitrary described spacing elastomer among the claim 1-3, it is characterized in that,
The length of described otch accounts for 3% to 25% of described circle body girth.
6. spacing elastomer as claimed in claim 1 is characterized in that,
Described circle body is a steel sheet system circle body.
7. spacing elastomer as claimed in claim 6 is characterized in that,
Described steel sheet system circle body is specially spring steel thin plate system circle body.
8. spacing elastomer as claimed in claim 7 is characterized in that,
The sheet metal thickness of described spring steel thin plate system circle body is 0.4mm to 2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069615 CN203098708U (en) | 2013-02-02 | 2013-02-02 | Limiting elastic body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069615 CN203098708U (en) | 2013-02-02 | 2013-02-02 | Limiting elastic body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203098708U true CN203098708U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320069615 Expired - Fee Related CN203098708U (en) | 2013-02-02 | 2013-02-02 | Limiting elastic body |
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| CN (1) | CN203098708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115099A (en) * | 2013-02-02 | 2013-05-22 | 浙江吉尚汽车部件有限公司 | Limit elastic body and manufacturing method thereof |
-
2013
- 2013-02-02 CN CN 201320069615 patent/CN203098708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115099A (en) * | 2013-02-02 | 2013-05-22 | 浙江吉尚汽车部件有限公司 | Limit elastic body and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20180202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |